??? ??? ?? ? ? ?? ?? ??? ????? ??? ?? ??? ???? ??? ???? ?????.Any retinitis pigmentosa where the reason for the condition is actually a mutation inside the RHO gene. [from MONDO]A chromosomal abnormality consisting in the absence of one of many copies of chromosome seven in somatic cells. [from NCI]???? ???? ?? ?????, ??, ?? ? ??(??)??? ???????.g